Upgrade 12.04 to 14.04 problems

Jack McGee jack at greendesk.net
Sat Jan 23 15:23:24 UTC 2016


On 01/23/2016 09:13 AM, Petter Adsen wrote:
> On Sat, 23 Jan 2016 08:54:27 -0600
> Jack McGee <jack at greendesk.net> wrote:
>
>> I am trying to upgrade my desktop.
>> First it did not find any new upgrades.
>> So I edited
>>
>> |/etc/update-manager/release-upgrades and changed |
>>
>>
>> |Prompt=never to Prompt-normal now when I do upgrade I get:
>> ||jmcgee at jmcgee-desktop:/etc/cups/ppd$ sudo
>> nano /etc/update-manager/release-upgrades
>> jmcgee at jmcgee-desktop:/etc/cups/ppd$ do-release-upgrade -d Checking
>> for a new Ubuntu release Err Upgrade tool signature 404 Not Found
>> [IP: 91.189.92.200 80] Err Upgrade tool 404 Not Found [IP:
>> 91.189.92.200 80] Fetched 0 B in 0s (0 B/s) WARNING:root:file
>> 'quantal.tar.gz.gpg' missing Failed to fetch Fetching the upgrade
>> failed. There may be a network problem.
>> jmcgee at jmcgee-desktop:/etc/cups/ppd$ |
> You should change Prompt to 'lts' when upgrading from one LTS release
> to another. Also, 'do-release-upgrade -d' attempts to upgrade to a
> development snapshot, in this case Xenial. You probably want to try
> without the '-d'.
>
> Petter
>

I tried this:
http://askubuntu.com/questions/504846/upgrading-from-12-04-3-lts-to-14-04-1-lts-failure/525524#525524

and prompt was changed to LTS after that.

It appears to be updating now.





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